CompTIA XK0-005 Exam Actual Questions

Name: CompTIA Linux+ Certification Exam
Brand: QA4Exam
SKU: XK0-005
Price: 30 USD
Availability: InStock
Rating: 5.0 (200 reviews)

The questions for XK0-005 were last updated on Oct 2, 2024.

Viewing page 1 out of 58 pages.
Viewing questions 1-5 out of 292 questions

Unlock Access to All 292 Questions & Answers

Question No. 1

Users are experiencing high latency when accessing a web application served by a Linux machine. A systems administrator checks the network interface counters and sees the following:

Which of the following is the most probable cause of the observed latency?

AThe network interface is disconnected.

BA connection problem exists on the network interface.

CNo IP address is assigned to the interface.

DThe gateway is unreachable.

Show Answer

Correct Answer: B

The high number of errors and dropped packets in the output of the network interface counters indicate a connection problem on the network interface.

CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 10: Managing Networking, Section: Troubleshooting Network Issues, Page 359.

Linux+ (Plus) Certification, Exam Objectives: 4.3 Given a scenario, troubleshoot and resolve basic network configuration and connectivity issues.

Question No. 2

While troubleshooting server issues, a Linux systems administrator obtains the following output:

[rootGhost ~]# total free -m used free shared buf f/cache available

Mem: 3736 3598 88 2 48 29

Swap: 2047 1824 223

Which of the following best describes the state of the system?

AThe system has consumed the system memory and swap space.

BThe system has enough free memory space.

CThe system has swap disabled.

DThe system has allocated enough buffer space.

Show Answer

Correct Answer: B

The output shows that the system has a total of 3736MB of memory, of which 3598MB is free.This indicates that the system has enough free memory space12.

Reference: 1(https://phoenixnap.com/kb/swap-space) 2(https://www.baeldung.com/linux/swap-space-use)

Question No. 3

A network administrator issues the dig ww. compti

a. org command and receives an NXDOMAIN response. Which of the following files should the administrator check first?

A/etc/resolv.conf

B/etc/hosts

C/etc/sysconfig/network-scripts

D/etc/nsswitch.conf

Show Answer

Correct Answer: A

Thedigcommand uses the DNS servers listed in the/etc/resolv.conffile to resolve domain names. If thedigcommand returns an NXDOMAIN response, it means the domain does not exist according to the DNS servers used.Therefore, the administrator should check the/etc/resolv.conffile first34.

Reference: 3(https://www.linuxquestions.org/questions/linux-newbie-8/help-me-dig-status-nxdomain-4175684441/) 4(https://serverfault.com/questions/729025/what-are-all-the-flags-in-a-dig-response)

Question No. 4

An administrator is running a web server in a container named web, but none of the error output is not showing. Which of the following should the administrator use to generate the errors on the container?

Adocker-compose inspect WEB

Bdocker logs WEB

Cdocker run ---name WEB ---volume/dev/stdout:/var/log/nginx/error.log

Ddocker ps WEB -f

Show Answer

Correct Answer: B

Thedocker logscommand is used to fetch the logs of a container.If the error output is not showing for a running container, thedocker logscommand can be used to view these details56.

Reference: 5(https://www.docker.com/blog/how-to-fix-and-debug-docker-containers-like-a-superhero/) 6(https://stackoverflow.com/questions/33083385/getting-console-output-from-a-docker-container)

Question No. 5

A technician just fixed a few issues in some code and is ready to deploy the code into production. Which of the following steps should the technician take next?

ACreate a new branch using git checkout.

BPerform a git clone to pull main down.

CCreate a git pull request to merge into main.

DPerform a git pull to update the local copy of the code.

Show Answer

Correct Answer: C

After fixing issues in the code, the next step is to merge these changes into the main branch.This is typically done by creating a pull request78.

Reference: 7(https://zeet.co/blog/deploy-to-production) 8(https://stackoverflow.com/questions/11833511/git-deploy-to-production)

Unlock All Questions for CompTIA XK0-005 Exam

Full Exam Access, Actual Exam Questions, Validated Answers, Anytime Anywhere, No Download Limits, No Practice Limits

Get All 292 Questions & Answers